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. 2015 Mar 2;9:21. doi: 10.3389/fnsys.2015.00021

Figure 1.

Figure 1

Experimental paradigm. Each stimulation sequence consisted of three consecutive series of 32 stimuli presented at 1 Hz rate: control, efferent and recovery. Control series consisting of ipsilateral tones (15 ms duration) presented alone. Efferent series in which the ipsilateral tone (15 ms duration) was preceded by a contralateral tone or noise (500 ms duration) followed by a silent period (15 ms duration). Recovery series in which the ipsilateral tones (15 ms duration) were again presented alone.